--- /dev/null
+/* $Id: l3_1tr6.c,v 2.15.2.3 2004/01/13 14:31:25 keil Exp $
+ *
+ * German 1TR6 D-channel protocol
+ *
+ * Author Karsten Keil
+ * Copyright by Karsten Keil <keil@isdn4linux.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ * For changes and modifications please read
+ * Documentation/isdn/HiSax.cert
+ *
+ */
+
+#include "hisax.h"
+#include "l3_1tr6.h"
+#include "isdnl3.h"
+#include <linux/ctype.h>
+
+extern char *HiSax_getrev(const char *revision);
+static const char *l3_1tr6_revision = "$Revision: 2.15.2.3 $";
+
+#define MsgHead(ptr, cref, mty, dis) \
+ *ptr++ = dis; \
+ *ptr++ = 0x1; \
+ *ptr++ = cref ^ 0x80; \
+ *ptr++ = mty
+
+static void
+l3_1TR6_message(struct l3_process *pc, u_char mt, u_char pd)
+{
+ struct sk_buff *skb;
+ u_char *p;
+
+ if (!(skb = l3_alloc_skb(4)))
+ return;
+ p = skb_put(skb, 4);
+ MsgHead(p, pc->callref, mt, pd);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+}
+
+static void
+l3_1tr6_release_req(struct l3_process *pc, u_char pr, void *arg)
+{
+ StopAllL3Timer(pc);
+ newl3state(pc, 19);
+ l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
+ L3AddTimer(&pc->timer, T308, CC_T308_1);
+}
+
+static void
+l3_1tr6_invalid(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ dev_kfree_skb(skb);
+ l3_1tr6_release_req(pc, 0, NULL);
+}
+
+static void
+l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb)
+{
+ dev_kfree_skb(skb);
+ if (pc->st->l3.debug & L3_DEB_WARN)
+ l3_debug(pc->st, "%s", msg);
+ l3_1tr6_release_req(pc, 0, NULL);
+}
+
+static void
+l3_1tr6_setup_req(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[128];
+ u_char *p = tmp;
+ u_char *teln;
+ u_char *eaz;
+ u_char channel = 0;
+ int l;
+
+ MsgHead(p, pc->callref, MT_N1_SETUP, PROTO_DIS_N1);
+ teln = pc->para.setup.phone;
+ pc->para.spv = 0;
+ if (!isdigit(*teln)) {
+ switch (0x5f & *teln) {
+ case 'S':
+ pc->para.spv = 1;
+ break;
+ case 'C':
+ channel = 0x08;
+ case 'P':
+ channel |= 0x80;
+ teln++;
+ if (*teln == '1')
+ channel |= 0x01;
+ else
+ channel |= 0x02;
+ break;
+ default:
+ if (pc->st->l3.debug & L3_DEB_WARN)
+ l3_debug(pc->st, "Wrong MSN Code");
+ break;
+ }
+ teln++;
+ }
+ if (channel) {
+ *p++ = 0x18; /* channel indicator */
+ *p++ = 1;
+ *p++ = channel;
+ }
+ if (pc->para.spv) { /* SPV ? */
+ /* NSF SPV */
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_SPV; /* SPV */
+ *p++ = pc->para.setup.si1; /* 0 for all Services */
+ *p++ = pc->para.setup.si2; /* 0 for all Services */
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_Activate; /* aktiviere SPV (default) */
+ *p++ = pc->para.setup.si1; /* 0 for all Services */
+ *p++ = pc->para.setup.si2; /* 0 for all Services */
+ }
+ eaz = pc->para.setup.eazmsn;
+ if (*eaz) {
+ *p++ = WE0_origAddr;
+ *p++ = strlen(eaz) + 1;
+ /* Classify as AnyPref. */
+ *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
+ while (*eaz)
+ *p++ = *eaz++ & 0x7f;
+ }
+ *p++ = WE0_destAddr;
+ *p++ = strlen(teln) + 1;
+ /* Classify as AnyPref. */
+ *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
+ while (*teln)
+ *p++ = *teln++ & 0x7f;
+
+ *p++ = WE_Shift_F6;
+ /* Codesatz 6 fuer Service */
+ *p++ = WE6_serviceInd;
+ *p++ = 2; /* len=2 info,info2 */
+ *p++ = pc->para.setup.si1;
+ *p++ = pc->para.setup.si2;
+
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ L3DelTimer(&pc->timer);
+ L3AddTimer(&pc->timer, T303, CC_T303);
+ newl3state(pc, 1);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+}
+
+static void
+l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ int bcfound = 0;
+ struct sk_buff *skb = arg;
+
+ /* Channel Identification */
+ p = findie(skb->data, skb->len, WE0_chanID, 0);
+ if (p) {
+ if (p[1] != 1) {
+ l3_1tr6_error(pc, "setup wrong chanID len", skb);
+ return;
+ }
+ if ((p[2] & 0xf4) != 0x80) {
+ l3_1tr6_error(pc, "setup wrong WE0_chanID", skb);
+ return;
+ }
+ if ((pc->para.bchannel = p[2] & 0x3))
+ bcfound++;
+ } else {
+ l3_1tr6_error(pc, "missing setup chanID", skb);
+ return;
+ }
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE6_serviceInd, 6))) {
+ pc->para.setup.si1 = p[2];
+ pc->para.setup.si2 = p[3];
+ } else {
+ l3_1tr6_error(pc, "missing setup SI", skb);
+ return;
+ }
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_destAddr, 0)))
+ iecpy(pc->para.setup.eazmsn, p, 1);
+ else
+ pc->para.setup.eazmsn[0] = 0;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_origAddr, 0))) {
+ iecpy(pc->para.setup.phone, p, 1);
+ } else
+ pc->para.setup.phone[0] = 0;
+
+ p = skb->data;
+ pc->para.spv = 0;
+ if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) {
+ if ((FAC_SPV == p[3]) || (FAC_Activate == p[3]))
+ pc->para.spv = 1;
+ }
+ dev_kfree_skb(skb);
+
+ /* Signal all services, linklevel takes care of Service-Indicator */
+ if (bcfound) {
+ if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
+ l3_debug(pc->st, "non-digital call: %s -> %s",
+ pc->para.setup.phone,
+ pc->para.setup.eazmsn);
+ }
+ newl3state(pc, 6);
+ pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
+ } else
+ release_l3_process(pc);
+}
+
+static void
+l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&pc->timer);
+ p = skb->data;
+ newl3state(pc, 2);
+ if ((p = findie(p, skb->len, WE0_chanID, 0))) {
+ if (p[1] != 1) {
+ l3_1tr6_error(pc, "setup_ack wrong chanID len", skb);
+ return;
+ }
+ if ((p[2] & 0xf4) != 0x80) {
+ l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb);
+ return;
+ }
+ pc->para.bchannel = p[2] & 0x3;
+ } else {
+ l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb);
+ return;
+ }
+ dev_kfree_skb(skb);
+ L3AddTimer(&pc->timer, T304, CC_T304);
+ pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc);
+}
+
+static void
+l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&pc->timer);
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_chanID, 0))) {
+ if (p[1] != 1) {
+ l3_1tr6_error(pc, "call sent wrong chanID len", skb);
+ return;
+ }
+ if ((p[2] & 0xf4) != 0x80) {
+ l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb);
+ return;
+ }
+ if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) {
+ l3_1tr6_error(pc, "call sent wrong chanID value", skb);
+ return;
+ }
+ pc->para.bchannel = p[2] & 0x3;
+ } else {
+ l3_1tr6_error(pc, "missing call sent WE0_chanID", skb);
+ return;
+ }
+ dev_kfree_skb(skb);
+ L3AddTimer(&pc->timer, T310, CC_T310);
+ newl3state(pc, 3);
+ pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc);
+}
+
+static void
+l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ dev_kfree_skb(skb);
+ L3DelTimer(&pc->timer); /* T304 */
+ newl3state(pc, 4);
+ pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc);
+}
+
+static void
+l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ int i, tmpcharge = 0;
+ char a_charge[8];
+ struct sk_buff *skb = arg;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
+ iecpy(a_charge, p, 1);
+ for (i = 0; i < strlen(a_charge); i++) {
+ tmpcharge *= 10;
+ tmpcharge += a_charge[i] & 0xf;
+ }
+ if (tmpcharge > pc->para.chargeinfo) {
+ pc->para.chargeinfo = tmpcharge;
+ pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
+ }
+ if (pc->st->l3.debug & L3_DEB_CHARGE) {
+ l3_debug(pc->st, "charging info %d",
+ pc->para.chargeinfo);
+ }
+ } else if (pc->st->l3.debug & L3_DEB_CHARGE)
+ l3_debug(pc->st, "charging info not found");
+ dev_kfree_skb(skb);
+
+}
+
+static void
+l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ dev_kfree_skb(skb);
+}
+
+static void
+l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&pc->timer); /* T310 */
+ if (!findie(skb->data, skb->len, WE6_date, 6)) {
+ l3_1tr6_error(pc, "missing connect date", skb);
+ return;
+ }
+ newl3state(pc, 10);
+ dev_kfree_skb(skb);
+ pc->para.chargeinfo = 0;
+ pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc);
+}
+
+static void
+l3_1tr6_rel(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+ u_char *p;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_cause, 0))) {
+ if (p[1] > 0) {
+ pc->para.cause = p[2];
+ if (p[1] > 1)
+ pc->para.loc = p[3];
+ else
+ pc->para.loc = 0;
+ } else {
+ pc->para.cause = 0;
+ pc->para.loc = 0;
+ }
+ } else {
+ pc->para.cause = NO_CAUSE;
+ l3_1tr6_error(pc, "missing REL cause", skb);
+ return;
+ }
+ dev_kfree_skb(skb);
+ StopAllL3Timer(pc);
+ newl3state(pc, 0);
+ l3_1TR6_message(pc, MT_N1_REL_ACK, PROTO_DIS_N1);
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
+ release_l3_process(pc);
+}
+
+static void
+l3_1tr6_rel_ack(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ dev_kfree_skb(skb);
+ StopAllL3Timer(pc);
+ newl3state(pc, 0);
+ pc->para.cause = NO_CAUSE;
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc);
+ release_l3_process(pc);
+}
+
+static void
+l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+ u_char *p;
+ int i, tmpcharge = 0;
+ char a_charge[8];
+
+ StopAllL3Timer(pc);
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
+ iecpy(a_charge, p, 1);
+ for (i = 0; i < strlen(a_charge); i++) {
+ tmpcharge *= 10;
+ tmpcharge += a_charge[i] & 0xf;
+ }
+ if (tmpcharge > pc->para.chargeinfo) {
+ pc->para.chargeinfo = tmpcharge;
+ pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
+ }
+ if (pc->st->l3.debug & L3_DEB_CHARGE) {
+ l3_debug(pc->st, "charging info %d",
+ pc->para.chargeinfo);
+ }
+ } else if (pc->st->l3.debug & L3_DEB_CHARGE)
+ l3_debug(pc->st, "charging info not found");
+
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_cause, 0))) {
+ if (p[1] > 0) {
+ pc->para.cause = p[2];
+ if (p[1] > 1)
+ pc->para.loc = p[3];
+ else
+ pc->para.loc = 0;
+ } else {
+ pc->para.cause = 0;
+ pc->para.loc = 0;
+ }
+ } else {
+ if (pc->st->l3.debug & L3_DEB_WARN)
+ l3_debug(pc->st, "cause not found");
+ pc->para.cause = NO_CAUSE;
+ }
+ if (!findie(skb->data, skb->len, WE6_date, 6)) {
+ l3_1tr6_error(pc, "missing connack date", skb);
+ return;
+ }
+ dev_kfree_skb(skb);
+ newl3state(pc, 12);
+ pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc);
+}
+
+
+static void
+l3_1tr6_connect_ack(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ if (!findie(skb->data, skb->len, WE6_date, 6)) {
+ l3_1tr6_error(pc, "missing connack date", skb);
+ return;
+ }
+ dev_kfree_skb(skb);
+ newl3state(pc, 10);
+ pc->para.chargeinfo = 0;
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc);
+}
+
+static void
+l3_1tr6_alert_req(struct l3_process *pc, u_char pr, void *arg)
+{
+ newl3state(pc, 7);
+ l3_1TR6_message(pc, MT_N1_ALERT, PROTO_DIS_N1);
+}
+
+static void
+l3_1tr6_setup_rsp(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[24];
+ u_char *p = tmp;
+ int l;
+
+ MsgHead(p, pc->callref, MT_N1_CONN, PROTO_DIS_N1);
+ if (pc->para.spv) { /* SPV ? */
+ /* NSF SPV */
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_SPV; /* SPV */
+ *p++ = pc->para.setup.si1;
+ *p++ = pc->para.setup.si2;
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_Activate; /* aktiviere SPV */
+ *p++ = pc->para.setup.si1;
+ *p++ = pc->para.setup.si2;
+ }
+ newl3state(pc, 8);
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ L3DelTimer(&pc->timer);
+ L3AddTimer(&pc->timer, T313, CC_T313);
+}
+
+static void
+l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg)
+{
+ release_l3_process(pc);
+}
+
+static void
+l3_1tr6_disconnect_req(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[16];
+ u_char *p = tmp;
+ int l;
+ u_char cause = 0x10;
+ u_char clen = 1;
+
+ if (pc->para.cause > 0)
+ cause = pc->para.cause;
+ /* Map DSS1 causes */
+ switch (cause & 0x7f) {
+ case 0x10:
+ clen = 0;
+ break;
+ case 0x11:
+ cause = CAUSE_UserBusy;
+ break;
+ case 0x15:
+ cause = CAUSE_CallRejected;
+ break;
+ }
+ StopAllL3Timer(pc);
+ MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1);
+ *p++ = WE0_cause;
+ *p++ = clen; /* Laenge */
+ if (clen)
+ *p++ = cause | 0x80;
+ newl3state(pc, 11);
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ L3AddTimer(&pc->timer, T305, CC_T305);
+}
+
+static void
+l3_1tr6_t303(struct l3_process *pc, u_char pr, void *arg)
+{
+ if (pc->N303 > 0) {
+ pc->N303--;
+ L3DelTimer(&pc->timer);
+ l3_1tr6_setup_req(pc, pr, arg);
+ } else {
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0;
+ l3_1tr6_disconnect_req(pc, 0, NULL);
+ }
+}
+
+static void
+l3_1tr6_t304(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0xE6;
+ l3_1tr6_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
+}
+
+static void
+l3_1tr6_t305(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[16];
+ u_char *p = tmp;
+ int l;
+ u_char cause = 0x90;
+ u_char clen = 1;
+
+ L3DelTimer(&pc->timer);
+ if (pc->para.cause != NO_CAUSE)
+ cause = pc->para.cause;
+ /* Map DSS1 causes */
+ switch (cause & 0x7f) {
+ case 0x10:
+ clen = 0;
+ break;
+ case 0x15:
+ cause = CAUSE_CallRejected;
+ break;
+ }
+ MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1);
+ *p++ = WE0_cause;
+ *p++ = clen; /* Laenge */
+ if (clen)
+ *p++ = cause;
+ newl3state(pc, 19);
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ L3AddTimer(&pc->timer, T308, CC_T308_1);
+}
+
+static void
+l3_1tr6_t310(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0xE6;
+ l3_1tr6_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
+}
+
+static void
+l3_1tr6_t313(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0xE6;
+ l3_1tr6_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc);
+}
+
+static void
+l3_1tr6_t308_1(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
+ L3AddTimer(&pc->timer, T308, CC_T308_2);
+ newl3state(pc, 19);
+}
+
+static void
+l3_1tr6_t308_2(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc->st, CC_RELEASE_ERR, pc);
+ release_l3_process(pc);
+}
+
+static void
+l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg)
+{
+ pc->para.cause = CAUSE_LocalProcErr;
+ l3_1tr6_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
+}
+
+static void
+l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg)
+{
+ newl3state(pc, 0);
+ pc->para.cause = 0x1b; /* Destination out of order */
+ pc->para.loc = 0;
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
+ release_l3_process(pc);
+}
+
+/* *INDENT-OFF* */
+static struct stateentry downstl[] =
+{
+ {SBIT(0),
+ CC_SETUP | REQUEST, l3_1tr6_setup_req},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) |
+ SBIT(10),
+ CC_DISCONNECT | REQUEST, l3_1tr6_disconnect_req},
+ {SBIT(12),
+ CC_RELEASE | REQUEST, l3_1tr6_release_req},
+ {SBIT(6),
+ CC_IGNORE | REQUEST, l3_1tr6_reset},
+ {SBIT(6),
+ CC_REJECT | REQUEST, l3_1tr6_disconnect_req},
+ {SBIT(6),
+ CC_ALERTING | REQUEST, l3_1tr6_alert_req},
+ {SBIT(6) | SBIT(7),
+ CC_SETUP | RESPONSE, l3_1tr6_setup_rsp},
+ {SBIT(1),
+ CC_T303, l3_1tr6_t303},
+ {SBIT(2),
+ CC_T304, l3_1tr6_t304},
+ {SBIT(3),
+ CC_T310, l3_1tr6_t310},
+ {SBIT(8),
+ CC_T313, l3_1tr6_t313},
+ {SBIT(11),
+ CC_T305, l3_1tr6_t305},
+ {SBIT(19),
+ CC_T308_1, l3_1tr6_t308_1},
+ {SBIT(19),
+ CC_T308_2, l3_1tr6_t308_2},
+};
+
+static struct stateentry datastln1[] =
+{
+ {SBIT(0),
+ MT_N1_INVALID, l3_1tr6_invalid},
+ {SBIT(0),
+ MT_N1_SETUP, l3_1tr6_setup},
+ {SBIT(1),
+ MT_N1_SETUP_ACK, l3_1tr6_setup_ack},
+ {SBIT(1) | SBIT(2),
+ MT_N1_CALL_SENT, l3_1tr6_call_sent},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10),
+ MT_N1_DISC, l3_1tr6_disc},
+ {SBIT(2) | SBIT(3) | SBIT(4),
+ MT_N1_ALERT, l3_1tr6_alert},
+ {SBIT(2) | SBIT(3) | SBIT(4),
+ MT_N1_CONN, l3_1tr6_connect},
+ {SBIT(2),
+ MT_N1_INFO, l3_1tr6_info_s2},
+ {SBIT(8),
+ MT_N1_CONN_ACK, l3_1tr6_connect_ack},
+ {SBIT(10),
+ MT_N1_INFO, l3_1tr6_info},
+ {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
+ SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
+ MT_N1_REL, l3_1tr6_rel},
+ {SBIT(19),
+ MT_N1_REL, l3_1tr6_rel_ack},
+ {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
+ SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
+ MT_N1_REL_ACK, l3_1tr6_invalid},
+ {SBIT(19),
+ MT_N1_REL_ACK, l3_1tr6_rel_ack}
+};
+
+static struct stateentry manstatelist[] =
+{
+ {SBIT(2),
+ DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset},
+ {ALL_STATES,
+ DL_RELEASE | INDICATION, l3_1tr6_dl_release},
+};
+
+/* *INDENT-ON* */
+
+static void
+up1tr6(struct PStack *st, int pr, void *arg)
+{
+ int i, mt, cr;
+ struct l3_process *proc;
+ struct sk_buff *skb = arg;
+
+ switch (pr) {
+ case (DL_DATA | INDICATION):
+ case (DL_UNIT_DATA | INDICATION):
+ break;
+ case (DL_ESTABLISH | CONFIRM):
+ case (DL_ESTABLISH | INDICATION):
+ case (DL_RELEASE | INDICATION):
+ case (DL_RELEASE | CONFIRM):
+ l3_msg(st, pr, arg);
+ return;
+ break;
+ }
+ if (skb->len < 4) {
+ if (st->l3.debug & L3_DEB_PROTERR) {
+ l3_debug(st, "up1tr6 len only %d", skb->len);
+ }
+ dev_kfree_skb(skb);
+ return;
+ }
+ if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
+ if (st->l3.debug & L3_DEB_PROTERR) {
+ l3_debug(st, "up1tr6%sunexpected discriminator %x message len %d",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ skb->data[0], skb->len);
+ }
+ dev_kfree_skb(skb);
+ return;
+ }
+ if (skb->data[1] != 1) {
+ if (st->l3.debug & L3_DEB_PROTERR) {
+ l3_debug(st, "up1tr6 CR len not 1");
+ }
+ dev_kfree_skb(skb);
+ return;
+ }
+ cr = skb->data[2];
+ mt = skb->data[3];
+ if (skb->data[0] == PROTO_DIS_N0) {
+ dev_kfree_skb(skb);
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "up1tr6%s N0 mt %x unhandled",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
+ }
+ } else if (skb->data[0] == PROTO_DIS_N1) {
+ if (!(proc = getl3proc(st, cr))) {
+ if (mt == MT_N1_SETUP) {
+ if (cr < 128) {
+ if (!(proc = new_l3_process(st, cr))) {
+ if (st->l3.debug & L3_DEB_PROTERR) {
+ l3_debug(st, "up1tr6 no roc mem");
+ }
+ dev_kfree_skb(skb);
+ return;
+ }
+ } else {
+ dev_kfree_skb(skb);
+ return;
+ }
+ } else if ((mt == MT_N1_REL) || (mt == MT_N1_REL_ACK) ||
+ (mt == MT_N1_CANC_ACK) || (mt == MT_N1_CANC_REJ) ||
+ (mt == MT_N1_REG_ACK) || (mt == MT_N1_REG_REJ) ||
+ (mt == MT_N1_SUSP_ACK) || (mt == MT_N1_RES_REJ) ||
+ (mt == MT_N1_INFO)) {
+ dev_kfree_skb(skb);
+ return;
+ } else {
+ if (!(proc = new_l3_process(st, cr))) {
+ if (st->l3.debug & L3_DEB_PROTERR) {
+ l3_debug(st, "up1tr6 no roc mem");
+ }
+ dev_kfree_skb(skb);
+ return;
+ }
+ mt = MT_N1_INVALID;
+ }
+ }
+ for (i = 0; i < ARRAY_SIZE(datastln1); i++)
+ if ((mt == datastln1[i].primitive) &&
+ ((1 << proc->state) & datastln1[i].state))
+ break;
+ if (i == ARRAY_SIZE(datastln1)) {
+ dev_kfree_skb(skb);
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "up1tr6%sstate %d mt %x unhandled",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ proc->state, mt);
+ }
+ return;
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "up1tr6%sstate %d mt %x",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ proc->state, mt);
+ }
+ datastln1[i].rout(proc, pr, skb);
+ }
+ }
+}
+
+static void
+down1tr6(struct PStack *st, int pr, void *arg)
+{
+ int i, cr;
+ struct l3_process *proc;
+ struct Channel *chan;
+
+ if ((DL_ESTABLISH | REQUEST) == pr) {
+ l3_msg(st, pr, NULL);
+ return;
+ } else if ((CC_SETUP | REQUEST) == pr) {
+ chan = arg;
+ cr = newcallref();
+ cr |= 0x80;
+ if (!(proc = new_l3_process(st, cr))) {
+ return;
+ } else {
+ proc->chan = chan;
+ chan->proc = proc;
+ memcpy(&proc->para.setup, &chan->setup, sizeof(setup_parm));
+ proc->callref = cr;
+ }
+ } else {
+ proc = arg;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(downstl); i++)
+ if ((pr == downstl[i].primitive) &&
+ ((1 << proc->state) & downstl[i].state))
+ break;
+ if (i == ARRAY_SIZE(downstl)) {
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "down1tr6 state %d prim %d unhandled",
+ proc->state, pr);
+ }
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "down1tr6 state %d prim %d",
+ proc->state, pr);
+ }
+ downstl[i].rout(proc, pr, arg);
+ }
+}
+
+static void
+man1tr6(struct PStack *st, int pr, void *arg)
+{
+ int i;
+ struct l3_process *proc = arg;
+
+ if (!proc) {
+ printk(KERN_ERR "HiSax man1tr6 without proc pr=%04x\n", pr);
+ return;
+ }
+ for (i = 0; i < ARRAY_SIZE(manstatelist); i++)
+ if ((pr == manstatelist[i].primitive) &&
+ ((1 << proc->state) & manstatelist[i].state))
+ break;
+ if (i == ARRAY_SIZE(manstatelist)) {
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "cr %d man1tr6 state %d prim %d unhandled",
+ proc->callref & 0x7f, proc->state, pr);
+ }
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "cr %d man1tr6 state %d prim %d",
+ proc->callref & 0x7f, proc->state, pr);
+ }
+ manstatelist[i].rout(proc, pr, arg);
+ }
+}
+
+void
+setstack_1tr6(struct PStack *st)
+{
+ char tmp[64];
+
+ st->lli.l4l3 = down1tr6;
+ st->l2.l2l3 = up1tr6;
+ st->l3.l3ml3 = man1tr6;
+ st->l3.N303 = 0;
+
+ strcpy(tmp, l3_1tr6_revision);
+ printk(KERN_INFO "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp));
+}
Code Review / kvmfornfv.git / blobdiff